Home / 7,184,090.40-10,776,135.60-6,404,643.60

Finding the Fourth Proportional to 7,184,090.40, 10,776,135.60 and 6,404,643.60

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Solution

The fourth proportional to 7,184,090.40, 10,776,135.60 and 6,404,643.60 is: 9,606,965.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,184,090.40 : 10,776,135.60 = 6,404,643.60 : x
  2. Step 2: Convert to fraction form
    7,184,090.40/10,776,135.60 = 6,404,643.60/x
  3. Step 3: Cross multiply
    7,184,090.40x = 10,776,135.60 × 6,404,643.60
  4. Step 4: Simplify right side
    7,184,090.40x = 69,017,307,903,272.16
  5. Step 5: Solve for x
    x = 69,017,307,903,272.16/7,184,090.40
  6. Step 6: Final answer
    x = 9,606,965.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.